To assign a new Task from the Resources tab,
- Click the + New Assignment but that is on the left-hand side of the Resources screen
- You see a Salesforce Task Assignment pop up,
- Enter the details as
- Description,
- Status,
- Select Project,
- Select user for assignment from user assigned field,
- Task Assigned,
- Assigned Start and Assigned End Date,
- Assigned by
- Hours Assigned in the "System Calculations" section
- Save it.
Now a new Task assignment is created and assigned to the user that you selected in the user-assigned field.